循环第10题

#include<iostream>using namespace std;int main(){    cout << "Enter number of rows :";    int num;    cin >> num;    for (int i = 0; i < num; i++)    {        for (int j = num -i-1; j > 0; --j)            cout << ".";        for (int k = 1; k <= i+1;  k++)            cout << "*";        cout << endl;      }     return 0; } 

打印星号0。0